package ch5;

import java.util.Scanner;

/**
 * @author oldliu
 * @since 1.0
 */
public class Check2 {
    public static void main(String[] args) {
        System.out.println(1000==1000);
        System.out.println(100==100);
        Scanner in=new Scanner(System.in);
        String answer="";
        do{
            System.out.println("做练习，老师检查，合格了?");
            answer=in.next();
        }while (!answer.equals("yes"));
        System.out.println("放学回家！");
    }
}
